District 19, Tehran, Tehran Province, Iran Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
District 19, Tehran, Tehran Province, Iran
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 67 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Sep - 20th Sep 2025
District 19, Tehran, Tehran Province, Iran
6 AM19th Sep 2025
7 PM
5 AM20th Sep 2025
70AQI
55AQI
88AQI
67AQI
In the last 24 hours,
District 19's AQI reached its highest point of 88 at 5 AM during the Night, while the lowest point, 55, was recorded at 9 AM during the Day between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
District 19, Tehran, Tehran Province, Iran
31°C26/35°C
32°C28/35°C
31°C27/34°C
31°C27/35°C
31°C27/34°C
30°C26/32°C
31°C27/33°C
30°C25/33°C
29°C25/32°C
29°C26/32°C
29°C25/32°C
29°C25/33°C
28°C24/31°C
28°C23/31°C
30°C25/33°C
31°C27/33°C
30°C27/33°C
30°C27/33°C
30°C27/34°C
30°C27/34°C
32°C28/34°C
30°C28/32°C
27°C24/30°C
25°C22/28°C
25°C22/28°C
24°C22/27°C
24°C21/27°C
25°C22/29°C
25°C21/28°C
27°C22/31°C
--°C/°C
83AQI
78AQI
80AQI
76AQI
2025 Days Vs Air Quality
District 19, Tehran, Tehran Province, Iran
86%
97
14%
16
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 263 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
District 19, Tehran, Tehran Province, Iran
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
92AQI
71AQI
71AQI
82AQI
67AQI
67AQI
67AQI
71AQI
74AQI
92AQI
91AQI
93AQI
95AQI
84AQI
94AQI
94AQI
78AQI
82AQI
85AQI
97AQI
100AQI
90AQI
92AQI
96AQI
96AQI
94AQI
97AQI
103AQI
98AQI
100AQI
107AQI
109AQI
112AQI
116AQI
113AQI
113AQI
103AQI
123AQI
117AQI
116AQI
100AQI
104AQI
106AQI
105AQI
98AQI
92AQI
86AQI
83AQI
82AQI
82AQI
82AQI
81AQI
85AQI
85AQI
82AQI
84AQI
77AQI
71AQI
68AQI
72AQI
80AQI
80AQI
89AQI
94AQI
93AQI
90AQI
92AQI
95AQI
90AQI
87AQI
83AQI
85AQI
82AQI
93AQI
89AQI
93AQI
86AQI
83AQI
89AQI
83AQI
87AQI
96AQI
93AQI
104AQI
93AQI
89AQI
104AQI
92AQI
88AQI
75AQI
78AQI
86AQI
75AQI
78AQI
66AQI
77AQI
76AQI
67AQI
81AQI
78AQI
79AQI
81AQI
79AQI
80AQI
81AQI
76AQI
76AQI
73AQI
72AQI
70AQI
70AQI
67AQI
79AQI
89AQI
93AQI
89AQI
75AQI
No. of days
202587AQI
Highest AQI recorded in
July93AQI
Lowest AQI recorded in
September75AQI
Most & Least Polluted Years Over the Last 1 Years
District 19's annual 2025 AQI (87) shows an average percentage change of NaN% (improved AQI) compared to previous years: .